CVE-2025-49553 Adobe Connect | Cross-site Scripting (DOM-based XSS) (CWE-79)

Critical 9.3 Published 14 Oct 2025 Updated 26 Feb 2026

An attacker can execute malicious scripts in a victim's browser via a crafted page, leading to session takeover in Adobe Connect.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2025-49553?

CVE-2025-49553 is a critical cross-site scripting vulnerability in Adobe Connect, published on 14 Oct 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Adobe Connect versions 12.9 and earlier are affected by a DOM-based Cross-Site Scripting (XSS) vulnerability that could be exploited by an attacker to execute malicious scripts in a victim's browser. Exploitation of this issue requires user interaction in that a victim must navigate to a crafted web page. A successful attacker can abuse this to achieve session takeover, increasing the confidentiality and integrity impact as high. Scope is changed.

Weakness: CWE-79

Which versions are affected by CVE-2025-49553?

It affects 1 product.

Products include Adobe Connect.

How do I fix CVE-2025-49553?

No fix has been published for CVE-2025-49553 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2025-49553 being exploited?

There is no known exploitation of CVE-2025-49553 in the wild and no public exploit code.

All Adobe Connect vulnerabilities

Sources

Also known as GHSA-8vp7-vr5r-qcx9.